Arc Search vs PropensityAI
| Arc Search | PropensityAI | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | Free | Free |
| Open source | No | No |
| Platforms | Android, iOS, macOS, Windows | self-hosted, Web |
| Free plan | Yes | Yes |
| Deep research mode | No | — |
| Source filters | No | Yes |
| Browser extension | No | — |
| Mobile apps | both | — |
| API access | No | — |
| Citation format | — | inline |
Both are listed in Best AI Search Engines. On Specifiction, Arc Search scores higher on our published basis.